How many movies have Robert Hartmann and Steve Kroopnick collaborated on?

They have worked on 6 movies together! Their first movie together was Jeff Dunham: Spark of Insanity (2007) while their highest rated movie together was Alonzo Bodden: Who's Paying Attention (2011). They have not worked together since Jeff Dunham: Minding the Monsters (2012). They are most known for their comedy films together.